Home / 1,890,928.13-2,836,416.77-628,755.71

Finding the Fourth Proportional to 1,890,928.13, 2,836,416.77 and 628,755.71

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Solution

The fourth proportional to 1,890,928.13, 2,836,416.77 and 628,755.71 is: 943,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,928.13 : 2,836,416.77 = 628,755.71 : x
  2. Step 2: Convert to fraction form
    1,890,928.13/2,836,416.77 = 628,755.71/x
  3. Step 3: Cross multiply
    1,890,928.13x = 2,836,416.77 × 628,755.71
  4. Step 4: Simplify right side
    1,890,928.13x = 1,783,413,240,077.26
  5. Step 5: Solve for x
    x = 1,783,413,240,077.26/1,890,928.13
  6. Step 6: Final answer
    x = 943,141.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.